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cpp/cpp.h
161 строка
5 KB
David Hanson
Add prototypes for the system calls.
30 ноя 1994, 23:18
30 ноя 1994, 23:18
7e95d6e
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#define INS 32768 /* input buffer */ #define OBS 4096 /* outbut buffer */ #define NARG 32 /* Max number arguments to a macro */ #define NINCLUDE 32 /* Max number of include directories (-I) */ #define NIF 32 /* depth of nesting of #if */ #ifndef EOF #define EOF (-1) #endif #ifndef NULL #define NULL 0 #endif typedef unsigned char uchar; enum toktype { END, UNCLASS, NAME, NUMBER, STRING, CCON, NL, WS, DSHARP, EQ, NEQ, LEQ, GEQ, LSH, RSH, LAND, LOR, PPLUS, MMINUS, ARROW, SBRA, SKET, LP, RP, DOT, AND, STAR, PLUS, MINUS, TILDE, NOT, SLASH, PCT, LT, GT, CIRC, OR, QUEST, COLON, ASGN, COMMA, SHARP, SEMIC, CBRA, CKET, ASPLUS, ASMINUS, ASSTAR, ASSLASH, ASPCT, ASCIRC, ASLSH, ASRSH, ASOR, ASAND, ELLIPS, DSHARP1, NAME1, DEFINED, UMINUS }; enum kwtype { KIF, KIFDEF, KIFNDEF, KELIF, KELSE, KENDIF, KINCLUDE, KDEFINE, KUNDEF, KLINE, KERROR, KPRAGMA, KDEFINED, KLINENO, KFILE, KDATE, KTIME, KSTDC, KEVAL }; #define ISDEFINED 01 /* has #defined value */ #define ISKW 02 /* is PP keyword */ #define ISUNCHANGE 04 /* can't be #defined in PP */ #define ISMAC 010 /* builtin macro, e.g. __LINE__ */ #define EOB 0xFE /* sentinel for end of input buffer */ #define EOFC 0xFD /* sentinel for end of input file */ #define XPWS 1 /* token flag: white space to assure token sep. */ typedef struct token { unsigned char type; unsigned char flag; unsigned short hideset; unsigned int wslen; unsigned int len; uchar *t; } Token; typedef struct tokenrow { Token *tp; /* current one to scan */ Token *bp; /* base (allocated value) */ Token *lp; /* last+1 token used */ int max; /* number allocated */ } Tokenrow; typedef struct source { char *filename; /* name of file of the source */ int line; /* current line number */ int lineinc; /* adjustment for \\n lines */ uchar *inb; /* input buffer */ uchar *inp; /* input pointer */ uchar *inl; /* end of input */ int fd; /* input source */ int ifdepth; /* conditional nesting in include */ struct source *next; /* stack for #include */ } Source; typedef struct nlist { struct nlist *next; uchar *name; int len; Tokenrow *vp; /* value as macro */ Tokenrow *ap; /* list of argument names, if any */ char val; /* value as preprocessor name */ char flag; /* is defined, is pp name */ } Nlist; typedef struct includelist { char deleted; char always; char *file; } Includelist; #define new(t) (t *)domalloc(sizeof(t)) #define quicklook(a,b) (namebit[(a)&077] & (1<<((b)&037))) #define quickset(a,b) namebit[(a)&077] |= (1<<((b)&037)) extern unsigned long namebit[077+1]; enum errtype { WARNING, ERROR, FATAL }; void expandlex(void); void fixlex(void); void setup(int, char **); int gettokens(Tokenrow *, int); int comparetokens(Tokenrow *, Tokenrow *); Source *setsource(char *, int, char *); void unsetsource(void); void puttokens(Tokenrow *); void process(Tokenrow *); void *domalloc(int); void dofree(void *); void error(enum errtype, char *, ...); void flushout(void); int fillbuf(Source *); int trigraph(Source *); int foldline(Source *); Nlist *lookup(Token *, int); void control(Tokenrow *); void dodefine(Tokenrow *); void doadefine(Tokenrow *, int); void doinclude(Tokenrow *); void doif(Tokenrow *, enum kwtype); void expand(Tokenrow *, Nlist *); void builtin(Tokenrow *, int); int gatherargs(Tokenrow *, Tokenrow **, int *); void substargs(Nlist *, Tokenrow *, Tokenrow **); void expandrow(Tokenrow *, char *); void maketokenrow(int, Tokenrow *); Tokenrow *copytokenrow(Tokenrow *, Tokenrow *); Token *growtokenrow(Tokenrow *); Tokenrow *normtokenrow(Tokenrow *); void adjustrow(Tokenrow *, int); void movetokenrow(Tokenrow *, Tokenrow *); void insertrow(Tokenrow *, int, Tokenrow *); void peektokens(Tokenrow *, char *); void doconcat(Tokenrow *); Tokenrow *stringify(Tokenrow *); int lookuparg(Nlist *, Token *); long eval(Tokenrow *, int); void genline(void); void setempty(Tokenrow *); void makespace(Tokenrow *); char *outnum(char *, int); int digit(int); uchar *newstring(uchar *, int, int); int checkhideset(int, Nlist *); void prhideset(int); int newhideset(int, Nlist *); int unionhideset(int, int); void iniths(void); void setobjname(char *); #define rowlen(tokrow) ((tokrow)->lp - (tokrow)->bp) extern char *outp; extern Token nltoken; extern Source *cursource; extern char *curtime; extern int incdepth; extern int ifdepth; extern int ifsatisfied[NIF]; extern int Mflag; extern int skipping; extern int verbose; extern int Cplusplus; extern Nlist *kwdefined; extern Includelist includelist[NINCLUDE]; extern char wd[]; extern int creat(char *, int); extern int open(char *, int); extern int close(int); extern int dup2(int, int); extern int write(int, char *, size_t); extern int read(int, char *, size_t);